CN103939349A - Enthalpy-increase compressor and lower flange component thereof - Google Patents
Enthalpy-increase compressor and lower flange component thereof Download PDFInfo
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- CN103939349A CN103939349A CN201410150820.9A CN201410150820A CN103939349A CN 103939349 A CN103939349 A CN 103939349A CN 201410150820 A CN201410150820 A CN 201410150820A CN 103939349 A CN103939349 A CN 103939349A
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Abstract
The invention discloses an enthalpy-increase compressor and a lower flange component thereof. The flange component comprises a lower flange provided with an enthalpy-increase hole, and a valve plate which is arranged at a gas outlet end of the enthalpy-increase hole and covered on the gas outlet end, and a fastener which abuts against the edge of the valve plate and abuts the valve plate against the enthalpy-increase hole. When the enthalpy-increase pipe is closed, the pressure at the gas inlet end of the enthalpy-increase hole instantaneously decreases is smaller than that at the gas outlet end of the enthalpy-increase cavity and the enthalpy-increase hole of the compressor, and the valve plate is in the closed state, thereby preventing the coolant gas from backflow into the enthalpy-increase pipe via the enthalpy-increase hole. When the enthalpy-increase pipe is open, if the gas supplementation quantity of the enthalpy-increase pipe is delayed, the pressure of the gas inlet end of the enthalpy-increase hole is still smaller than that at the gas outlet end of the enthalpy-increase cavity and the enthalpy-increase hole of the compressor, and the valve plate is in the closed state, thereby preventing the coolant gas from backflow into the enthalpy-increase pipe via the enthalpy-increase hole. Thus, no matter the enthalpy-increase pipe is open or closed, the coolant gas can be prevented from backflow into the enthalpy-increase pipe via the enthalpy-increase hole.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly, relate to a kind of enthalpy compressor and lower flange assembly thereof of increasing.
Background technique
In the time that outdoor temperature is very low, outdoor unit heat exchanging function declines, and the return-air amount of the normal gas returning port of compressor reduces, and compressor horsepower reduces, and can not bring into play best effects.Therefore need in time to coolant adding gas in the compression chamber of compressor, thereby increase compressor air-discharging amount, the circularly cooling dosage that heat exchanger indoor unit heats is increased, realizing heating capacity increases.Possess to the compressor of coolant adding gas function in compression chamber and become and increase enthalpy compressor, increase at present that enthalpy compressor is generally Dual-level enthalpy adding compressor or single-stage increases enthalpy compressor.
As shown in Figure 1, Dual-level enthalpy adding compressor mainly comprises the upper flange, upper cylinder, dividing plate 01, lower cylinder 02 and the lower flange 03 that set gradually, wherein Dual-level enthalpy adding compressor is mainly offered and is increased enthalpy hole on lower flange 03, the inlet end that increases enthalpy hole is communicated with increasing enthalpy pipe fitting, and the Yu Zenghan chamber, outlet side that increases enthalpy hole is communicated with.Increase enthalpy pipe fitting and make cold media air flow in the increasing enthalpy chamber that increases enthalpy compressor and mix with the cold media air of cylinder through increasing enthalpy hole, the inlet end that wherein increases enthalpy hole is positioned at the air inlet side of lower flange 03, and the outlet side that increases enthalpy hole is the side of giving vent to anger of lower flange 03.
But, in Dual-level enthalpy adding compressor running, when closing while increasing enthalpy pipe fitting, usually there is flows backwards the back phenomenon of increasing enthalpy pipe fitting of cold media air owing to increasing air pressure moment step-down in enthalpy pipe fitting; When opening while increasing enthalpy pipe fitting, increase in enthalpy pipe fitting tonifying Qi and lag behind and cold media air also can occur flow into the phenomenon that increases enthalpy pipe fitting, like this affected the performance of increasing enthalpy compressor, the efficiency that causes increasing enthalpy compressor is lower.
In sum, how effectively solving cold media air and be back to the problem that increases enthalpy pipe fitting, is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of lower flange assembly, the structural design of this lower flange assembly can effectively solve cold media air and be back to the problem that increases enthalpy pipe fitting, and second object of the present invention is to provide a kind of increasing enthalpy compressor that comprises above-mentioned lower flange assembly.
In order to reach above-mentioned first object, the invention provides following technological scheme:
A kind of lower flange assembly, comprises and offers the lower flange that increases enthalpy hole, also comprises:
Be arranged at the outlet side place in described increasing enthalpy hole and cover the valve block of described outlet side;
Be pressed on the fastening piece increasing on enthalpy hole with the edge butt of described valve block and by described valve block.
Preferably, in above-mentioned lower flange assembly, described lower flange one side also offers the first deep gouge for accommodating described valve block, and the inwall of described the first deep gouge and the edge of valve block offset.
Preferably, in above-mentioned lower flange assembly, also comprise the lower cover plate being connected with a side with described valve block of described lower flange, and the edge butt of described fastening piece one end and described valve block, the other end and described lower cover plate butt.
Preferably, in above-mentioned lower flange assembly, on described lower cover plate, also offer the second deep gouge for accommodating described fastener end.
Preferably, in above-mentioned lower flange assembly, described fastening piece is specially Compress Spring.
Preferably, in above-mentioned lower flange assembly, a side with described valve block of described lower flange offers and increases enthalpy chamber.
Preferably, in above-mentioned lower flange assembly, described valve block comprises ring seat and catch, described catch is connected with described ring seat by annular joint, and described annular joint is specially along the gradual change arcuation being increased gradually to ring seat direction radius by catch, described catch can be by described annular joint with respect to ring seat activity.
Preferably, in above-mentioned lower flange assembly, described fitting is pressed in described ring seat.
A kind of enthalpy compressor that increases, comprises lower flange assembly, and described lower flange assembly is the lower flange assembly as described in above-mentioned middle any one.
Preferably, in above-mentioned increasing enthalpy compressor, described increasing enthalpy compressor is Dual-level enthalpy adding compressor.
Lower flange assembly provided by the invention, comprise lower flange, valve block and fastening piece, wherein on lower flange, offer and increase enthalpy hole, increase enthalpy hole and run through lower flange, increasing one end, enthalpy hole is that the inlet end the other end is outlet side, and increases the inlet end in enthalpy hole and be positioned at the air inlet side of lower flange, and the outlet side that increases enthalpy hole is positioned at the side of giving vent to anger of lower flange, increase the inlet end in enthalpy hole and the increasing enthalpy pipe fitting of compressor and be communicated with, outlet side is communicated with the increasing enthalpy chamber of compressor.Of the present invention focusing on, the outlet side place that increases enthalpy hole is provided with the valve block that covers outlet side, and the butt of fastening piece and valve block is also pressed on valve block to increase on enthalpy hole, and fastening piece is pressed on valve block at the outlet side place that increases enthalpy hole, makes edge's sealing contact of valve block.The center portion of valve block should be corresponding with the outlet side that increases enthalpy hole, in the time increasing the pressure of inlet end in enthalpy hole and be greater than the pressure of outlet side, pressure difference forces valve block to open ventilation, cold media air flows through and increases enthalpy hole, in the time increasing the pressure of inlet end in enthalpy hole and be less than the pressure of outlet side, pressure difference forces valve block to be closed, and cold media air can not flow through and increase enthalpy hole.
While applying lower flange assembly provided by the invention, be provided with valve block owing to increasing the outlet side in enthalpy hole, only have in the time increasing the pressure of enthalpy inlet end and be greater than its outlet side pressure, cold media air just can flow through increasing enthalpy hole.So when closing while increasing enthalpy pipe fitting, the pressure moment that increases the inlet end in enthalpy hole diminishes and is less than the pressure of the outlet side, He Zenghan hole, increasing enthalpy chamber of compressor, and now valve block is in closed condition, can prevent that cold media air from blowing back into and increase in enthalpy pipe fitting through increasing enthalpy hole.In the time opening increasing enthalpy pipe fitting, if increasing the air compensation of enthalpy pipe fitting lags behind, the pressure that increases the inlet end in enthalpy hole is still less than the pressure of the outlet side, He Zenghan hole, increasing enthalpy chamber of compressor, and now valve block is also in closed condition, and then can prevent that cold media air from blowing back into and increase in enthalpy pipe fitting through increasing enthalpy hole.Increase after enthalpy pipe fitting a period of time when opening, the pressure that increases the inlet end in enthalpy hole is greater than the pressure of its outlet side, now because pressure-acting valve block is opened, to make cold media air to increase enthalpy chamber by increasing enthalpy hole and then entering.As from the foregoing, no matter in the time opening increasing enthalpy pipe fitting, still close while increasing enthalpy pipe fitting, as long as the pressure that increases the inlet end in enthalpy hole is less than the pressure in the increasing enthalpy chamber of compressor, valve block is just in closed condition, avoid cold media air to blow back in increasing enthalpy pipe fitting through increasing enthalpy hole, ensure to increase the performance of enthalpy compressor, improved and increased the efficiency of enthalpy compressor and make it more energy-conservation.
In order to reach above-mentioned second object, the present invention also provides a kind of increasing enthalpy compressor, and this increasing enthalpy compressor comprises above-mentioned any lower flange assembly.Because above-mentioned lower flange assembly has above-mentioned technique effect, the increasing enthalpy compressor with this lower flange assembly also should have corresponding technique effect.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the partial exploded view of Dual-level enthalpy adding compressor in prior art;
The explosive view of the lower flange assembly that Fig. 2 provides for the embodiment of the present invention;
The sectional view of the lower flange assembly that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the valve block that Fig. 4 provides for the embodiment of the present invention.
In accompanying drawing, mark is as follows:
01-dividing plate, 02-lower cylinder, 03-lower flange;
1-lower flange, 11-the first deep gouge, 12-increase enthalpy hole, 2-valve block, 21-catch, 22-annular joint, 23-ring seat, 3-Compress Spring, 4-lower cover plate, 41-the second deep gouge.
Embodiment
First object of the present invention is to provide a kind of lower flange assembly, the structural design of this lower flange assembly can effectively solve cold media air and be back to the problem that increases enthalpy pipe fitting, and second object of the present invention is to provide a kind of increasing enthalpy compressor that comprises above-mentioned lower flange assembly.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 2-Fig. 4, the lower flange assembly that the embodiment of the present invention provides, comprise lower flange 1, valve block 2 and fastening piece, wherein on lower flange 1, offer and increase enthalpy hole 12, increase enthalpy hole 12 and run through lower flange 1, increasing 12 one end, enthalpy hole is that the inlet end the other end is outlet side, and the inlet end that increases enthalpy hole 12 is positioned at the air inlet side of lower flange 1, the outlet side that increases enthalpy hole 12 is positioned at the side of giving vent to anger of lower flange 1, increases the inlet end in enthalpy hole 12 and the increasing enthalpy pipe fitting of compressor and is communicated with, and outlet side is communicated with the increasing enthalpy chamber of compressor.Of the present invention focusing on, the outlet side place that increases enthalpy hole 12 is provided with the valve block 2 that covers outlet side, and fastening piece is pressed on and increases on enthalpy hole by valve block butt and by valve block, and fastening piece is pressed on valve block 2 at the outlet side place that increases enthalpy hole 12, make edge's sealing contact of valve block 2.The center portion of valve block 2 should be corresponding with the outlet side that increases enthalpy hole 12, in the time increasing the pressure of inlet end in enthalpy hole 12 and be greater than the pressure of outlet side, pressure difference forces valve block 2 to open ventilation, cold media air flows through and increases enthalpy hole 12, in the time increasing the pressure of inlet end in enthalpy hole 12 and be less than the pressure of outlet side, pressure difference forces valve block 2 to be closed, and cold media air can not flow through and increase enthalpy hole 12.
When lower flange assembly that the application embodiment of the present invention provides, be provided with valve block 2 owing to increasing the outlet side in enthalpy hole 12, only have in the time increasing the pressure of enthalpy inlet end and be greater than its outlet side pressure, cold media air just can flow through increasing enthalpy hole 12.So in the time closing increasing enthalpy pipe fitting, the pressure moment of inlet end that increases enthalpy hole 12 diminishes and is less than the pressure of 12 outlet sides, He Zenghan hole, increasing enthalpy chamber of compressor, now valve block 2, in closed condition, can prevent that cold media air from blowing back in increasing enthalpy pipe fitting through increasing enthalpy hole 12.In the time opening increasing enthalpy pipe fitting, if increasing the air compensation of enthalpy pipe fitting lags behind, the pressure that increases the inlet end in enthalpy hole 12 is still less than the pressure of 12 outlet sides, He Zenghan hole, increasing enthalpy chamber of compressor, now valve block 2 is also in closed condition, and then can prevent that cold media air from blowing back into and increase in enthalpy pipe fitting through increasing enthalpy hole 12.Increase after enthalpy pipe fitting a period of time when opening, the pressure that increases the inlet end in enthalpy hole 12 is greater than the pressure of its outlet side, now because pressure-acting valve block 2 is opened, to make cold media air to increase enthalpy chamber by increasing enthalpy hole 12 and then entering.As from the foregoing, no matter in the time opening increasing enthalpy pipe fitting, still close while increasing enthalpy pipe fitting, as long as the pressure that increases the inlet end in enthalpy hole 12 is less than the pressure in the increasing enthalpy chamber of compressor, valve block 2 is just in closed condition, avoid cold media air to blow back in increasing enthalpy pipe fitting through increasing enthalpy hole 12, ensure to increase the performance of enthalpy compressor, improved and increased the efficiency of enthalpy compressor and make it more energy-conservation.
There is radial displacement for the ease of fixing valve block 2 to prevent it, can also offer the first deep gouge 11 in a side with valve block 2 of lower flange 1, valve block 2 is positioned in the first deep gouge 11, the edge of the inwall of the first deep gouge 11 and valve block 2 offsets, so have the restriction of the inwall of the first deep gouge 11, valve block 2 can not carry out radial displacement again.Wherein, the diameter of the first deep gouge 11 should be greater than the diameter that increases enthalpy hole 12, and increasing enthalpy hole 12 and the first deep gouge 11 coaxially arranges, the first deep gouge 11 like this and the common shoulder hole that forms in increasing enthalpy hole 12, the diapire laminating of valve block 2 and the first deep gouge 11, in the time increasing the pressure of inlet end in enthalpy hole 12 and be greater than its outlet side, the part of valve block 2 is because pressure-acting moves to the direction away from inlet end, make to there is gap between valve block 2 and the diapire of the first deep gouge 11, and then cold media air can flow through from the gap between valve block 2 and the first deep gouge 11 diapires.In the time increasing the pressure of inlet end in enthalpy hole 12 and be less than its outlet side, the diapire of valve block 2 and the first deep gouge 11 fits tightly, and does not have gap between the two, and cold media air can not pass through.
Certainly, can also annular protrusion be set in a side of lower flange 1, and the edge of annular protrusion and valve block 2 offsets, can reach equally the object that prevents that valve block 2 from moving radially.
Further, this lower flange assembly can also comprise the lower cover plate 4 being connected with a side sealing with valve block 2 of lower flange 1, and the edge butt of fastening piece one end and valve block 2, the other end and lower cover plate 4 butts.It is the side of giving vent to anger that lower cover plate 4 is positioned at lower flange 1, and lower cover plate 4 is tightly connected with lower flange 1, valve block 2 and fastening piece are all between lower flange 1 and lower cover plate 4, after valve block 2 is positioned in the first deep gouge 11, the edge of fastening piece one end and valve block 2 offsets, the other end and lower cover plate 4 offset, and the edge that fastening piece props up valve block 2 can limit valve block 2 and move axially.So limit valve block 2 by the first deep gouge 11 and move radially, limit valve block 2 by fastening piece and move axially, thereby ensured the fixing situation that dislocation can not occur in position of valve block 2.
Further, be subjected to displacement for fear of fastening piece, can also on lower cover plate 4, offer the second deep gouge 41 for the end of accommodating fastening piece, one end of fastening piece is positioned at the second deep gouge 41 and offsets with the diapire of the second deep gouge 41, thereby has realized fastening piece and lower cover plate 4 butts.The other end of fastening piece can be positioned at the first deep gouge 11 and with valve block 2 butts, so can prevent that by the first deep gouge 11 and the second deep gouge 41 actings in conjunction fastening piece from radial and axial displacement occurring, make this lower flange assembly when operation reliability improve.
Wherein, fastening piece can be Compress Spring 3, so makes the power between two ends and valve block 2 and the lower cover plate 4 of Compress Spring 3 increase, thereby can prevent that valve block 2 from departing from the first deep gouge 11.Certainly, fastening piece can also be tubular structure, and tubular structure one end is against the edge of valve block 2, and the other end is against in the second deep gouge 41, in this no limit.
Preferably, the increasing enthalpy chamber that increases enthalpy compressor can be opened in a side with valve block 2 of lower flange 1, the outlet side that so increases enthalpy hole 12 is located immediately at and increases on enthalpy cavity wall, increasing enthalpy hole 12 is directly communicated with increasing enthalpy chamber, be communicated with increasing enthalpy chamber thereby avoided other pipeline of design will increase enthalpy hole 12, make the structure of this lower flange assembly simpler.Certainly, increase enthalpy chamber and can also be opened in lower cover plate 4 or increase on the dividing plate of enthalpy compressor, in this no limit.
Wherein, video disc 2 can comprise ring seat 23 and catch 21, and catch 21 is connected with ring seat 23 by annular joint 22, annular joint 22 is specially along the gradual change arcuation being increased gradually to ring seat 23 direction radiuses by catch 21, and catch 21 can be by annular joint 22 with respect to ring seat 23 activities.Be that catch 21 covering plasters are combined in and increase the outlet side in enthalpy hole 12, when catch 21 is movable with respect to ring seat 23 away from increase enthalpy hole 12 outlet side time can realize ventilation.Annular joint 22 be specially gradual change arcuation, and by catch 21 to ring seat 23 directions, the radius of annular joint 22 increases gradually.Further, fitting can directly be pressed in ring seat 23, can certainly be connected to the edge of annular joint 22, in this no limit.
In addition, valve block 2 can be fly valve sheet, and its model can be QXT-B096, so can make supplementary cold media air disperse to enter to surrounding.Certainly, valve block 2 can also be the valve block of other shape, in this no limit.
Lower flange assembly based on providing in above-described embodiment, the present invention also provides a kind of increasing enthalpy compressor, and this increasing enthalpy compressor comprises any one lower flange assembly in above-described embodiment.Because this increasing enthalpy compressor has adopted the lower flange assembly in above-described embodiment, so the beneficial effect of this increasing enthalpy compressor please refer to above-described embodiment.
Further, this increasing enthalpy compressor can be Dual-level enthalpy adding compressor, and it is more energy-efficient, can certainly increase enthalpy compressor for single-stage, in this no limit.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a lower flange assembly, comprises and offers the lower flange (1) that increases enthalpy hole (12), it is characterized in that, also comprises:
Be arranged at the outlet side place in described increasing enthalpy hole (12) and cover the valve block (2) of described outlet side;
Be pressed on the fastening piece increasing on enthalpy hole with the edge butt of described valve block (2) and by described valve block (2).
2. lower flange assembly according to claim 1, is characterized in that, described lower flange (1) one side also offers the first deep gouge (11) for accommodating described valve block (2), and the edge of the inwall of described the first deep gouge (11) and valve block (2) offsets.
3. lower flange assembly according to claim 2, it is characterized in that, also comprise the lower cover plate (4) being connected with a side with described valve block (2) of described lower flange (1), and the edge butt of described fastening piece one end and described valve block (2), the other end and described lower cover plate (4) butt.
4. lower flange assembly according to claim 3, is characterized in that, also offers the second deep gouge (41) for accommodating described fastener end on described lower cover plate (4).
5. lower flange assembly according to claim 3, is characterized in that, described fastening piece is specially Compress Spring (3).
6. lower flange assembly according to claim 3, is characterized in that, a side with described valve block (2) of described lower flange (1) offers and increases enthalpy chamber.
7. lower flange assembly according to claim 1, it is characterized in that, described valve block (2) comprises ring seat (23) and catch (21), described catch is connected with described ring seat (23) by annular joint (22), and described annular joint (22) is specially along the gradual change arcuation being increased gradually to ring seat (23) direction radius by catch (21), described catch (21) can be by described annular joint (22) with respect to ring seat activity.
8. lower flange assembly according to claim 7, is characterized in that, described fitting is pressed in described ring seat (23).
9. increase an enthalpy compressor, comprise lower flange assembly, it is characterized in that, described lower flange assembly is the lower flange assembly as described in any one in claim 1-8.
10. increasing enthalpy compressor according to claim 9, is characterized in that, described increasing enthalpy compressor is Dual-level enthalpy adding compressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410150820.9A CN103939349B (en) | 2014-04-15 | 2014-04-15 | Enthalpy-increase compressor and lower flange component thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410150820.9A CN103939349B (en) | 2014-04-15 | 2014-04-15 | Enthalpy-increase compressor and lower flange component thereof |
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| CN103939349A true CN103939349A (en) | 2014-07-23 |
| CN103939349B CN103939349B (en) | 2017-05-03 |
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| CN201410150820.9A Active CN103939349B (en) | 2014-04-15 | 2014-04-15 | Enthalpy-increase compressor and lower flange component thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041653A (en) * | 2015-08-06 | 2015-11-11 | 广东美芝制冷设备有限公司 | Rotary type enhanced vapor injection compressor |
| CN107654355A (en) * | 2017-09-18 | 2018-02-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Miniature reciprocating compressor, refrigeration system and refrigerator |
| CN110131171A (en) * | 2019-06-12 | 2019-08-16 | 安徽省锦瑞汽车部件有限公司 | Gas-supplying enthalpy-increasing component and new-energy automobile screw compressor |
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| JPH1113664A (en) * | 1997-06-27 | 1999-01-19 | Daikin Ind Ltd | Rotary compressor |
| CN101294568A (en) * | 2007-04-25 | 2008-10-29 | 珠海格力电器股份有限公司 | Rotary compressor with enhanced vapor injection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105041653A (en) * | 2015-08-06 | 2015-11-11 | 广东美芝制冷设备有限公司 | Rotary type enhanced vapor injection compressor |
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| CN107654355A (en) * | 2017-09-18 | 2018-02-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Miniature reciprocating compressor, refrigeration system and refrigerator |
| CN110131171A (en) * | 2019-06-12 | 2019-08-16 | 安徽省锦瑞汽车部件有限公司 | Gas-supplying enthalpy-increasing component and new-energy automobile screw compressor |
| CN110131171B (en) * | 2019-06-12 | 2024-03-15 | 安徽省锦瑞汽车部件有限公司 | Air supplementing enthalpy increasing component and scroll compressor for new energy automobile |
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|---|---|
| CN103939349B (en) | 2017-05-03 |
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